Chasing stumble

[Bill Shaw]

Hi All,

I'm chasing a stumble in my 99 A6QA.  It seems to be the worst at low 
RPM and at throttle tip-in.  The EMC returns an error code,  
intermittant misfire,  but that's all the info I can get from it.  I 
guess it's time to start swapping parts and see if I can make it go away 
like they do at the dealer.  Anyone happen to have a spare coil pack 
that I could borrow to test with before I go buy a new one? I hate to 
just throw $150 at it in hopes of fixing it.

Best,

Bill
'99 A6QA
'84 928s 5.0L Vortech/749